From 23cb8981ed929b4dd48141401cd0fd31e0fa4ed0 Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
Date: Tue, 9 Sep 2014 08:02:45 +0900
Subject: [PATCH] percpu: fix locking regression in the failure path of
 pcpu_alloc()

While updating locking, b38d08f3181c ("percpu: restructure locking")
broke pcpu_create_chunk() creation path in pcpu_alloc().  It returns
without releasing pcpu_alloc_mutex.  Fix it.

Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Julia Lawall <julia.lawall@lip6.fr>
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